A basic search form

Searches name of member and their description text.
Highlights search term in the description.
Reduce size of search box and move it to the right
Merge pull request #330 from theodi/feature-search-members

Search members
Do display none in css
Use aria-labelledby attribute correctly
Test badge svg
extract from application to badge controller
Download badge images as pngs
Popup to download badge images as pngs